Nanjing Blue Sky Filter Co.,Ltd. provides cargo weight and volume after shipment of air purification filters once such information is recorded and submitted to the customs. If you do not get it, please contact our Customer Service through phone or email. It's wise both for you and us to understand how shipping fees are calculated and we have relevant calculation formula which should be gained through negotiation. We are able to creatively design your packages to simplify logistics and cut your shipping costs.

Blue Sky is a well-known air filters manufacturer manufacturing company. Experience and expertise are two important aspects that ensure the company remains at the top of its game. According to the material, Blue Sky's products are divided into several categories, and hepa filters is one of them. The quality of Blue Sky pocket bag filter is guaranteed by a series of tests. It has gone through fiber identification, performance testing, and flammability testing which all meet the textile standards. People can save a lot on utility bills by using this energy-saving product. Most of them are likely to recommend this product to others.

We have created sustainability strategies to seek to improve profits as well as reduce environmental impact. We are sparing with the water and energy in the production process, and limiting our carbon footprint in the transport of our waste.